gstreamer/gst-libs/gst/vulkan/gstvkqueue.h
Matthew Waters 9f4b043161 vulkan/queue: be sure to take a lock around command submission
This ensures that only one thread is submitting commands at a time as
required by the Vulkan specification.
2019-11-14 07:10:16 +00:00

80 lines
3.2 KiB
C

/*
* GStreamer
* Copyright (C) 2015 Matthew Waters <matthew@centricular.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_VULKAN_QUEUE_H__
#define __GST_VULKAN_QUEUE_H__
#include <gst/vulkan/gstvkdevice.h>
#include <gst/vulkan/gstvkcommandpool.h>
#define GST_TYPE_VULKAN_QUEUE (gst_vulkan_queue_get_type())
#define GST_VULKAN_QUEUE(o) (G_TYPE_CHECK_INSTANCE_CAST((o), GST_TYPE_VULKAN_QUEUE, GstVulkanQueue))
#define GST_VULKAN_QUEUE_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), GST_TYPE_VULKAN_QUEUE, GstVulkanQueueClass))
#define GST_IS_VULKAN_QUEUE(o) (G_TYPE_CHECK_INSTANCE_TYPE((o), GST_TYPE_VULKAN_QUEUE))
#define GST_IS_VULKAN_QUEUE_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE((k), GST_TYPE_VULKAN_QUEUE))
#define GST_VULKAN_QUEUE_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS((o), GST_TYPE_VULKAN_QUEUE, GstVulkanQueueClass))
GST_VULKAN_API
GType gst_vulkan_queue_get_type (void);
#define GST_VULKAN_QUEUE_CONTEXT_TYPE_STR "gst.vulkan.queue"
struct _GstVulkanQueue
{
GstObject parent;
GstVulkanDevice *device;
VkQueue queue; /* hides a pointer */
guint32 family;
guint32 index;
};
struct _GstVulkanQueueClass
{
GstObjectClass parent_class;
};
GST_VULKAN_API
GstVulkanDevice * gst_vulkan_queue_get_device (GstVulkanQueue * queue);
GST_VULKAN_API
GstVulkanCommandPool * gst_vulkan_queue_create_command_pool (GstVulkanQueue * queue,
GError ** error);
GST_VULKAN_API
void gst_vulkan_queue_submit_lock (GstVulkanQueue * queue);
GST_VULKAN_API
void gst_vulkan_queue_submit_unlock (GstVulkanQueue * queue);
GST_VULKAN_API
void gst_context_set_vulkan_queue (GstContext * context,
GstVulkanQueue * queue);
GST_VULKAN_API
gboolean gst_context_get_vulkan_queue (GstContext * context,
GstVulkanQueue ** queue);
GST_VULKAN_API
gboolean gst_vulkan_queue_handle_context_query (GstElement * element,
GstQuery * query,
GstVulkanQueue * queue);
GST_VULKAN_API
gboolean gst_vulkan_queue_run_context_query (GstElement * element,
GstVulkanQueue ** queue);
#endif /* __GST_VULKAN_QUEUE_H__ */